According to other informants, the place Jagarang (Mount Gould) was the central place in Wadjari territory. This is a remarkably accurate observation as is shown by the map; and the people of that area claim to have kurduwongga, i.e., 'true speech' (Tindale 1974). Mt. Gould north west of Robinson Range between Gascoyne and Murchison Rivers (Oates 1975:80).
Speaker numbers were measured differently across the censuses and various other sources listed in AUSTLANG. You are encouraged to refer to the sources.
Speaker numbers for ‘NILS 2004’ and ‘2005 estimate’ come from 'Table F.3: Numbers of speakers of Australian Indigenous languages (various surveys)' in 'Appendix F NILS endangerment and absolute number results' in McConvell, Marmion and McNicol 2005, pages 198-230 (PDF, 2.5MB).